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One solenoid is centered inside another. The outer one has a length of 47 centimeter and contains 6800 coils, while the coaxial inner solenoid is 5 centimeter long and 0.140 centimeter in diameter and contains 25 coils. The current in the outer solenoid is changing at 35 A/s. Evaluate the mutual inductance of these solenoids?
Assume that the partner moves on a circle that has a radius of 6.50 m. At a swinging speed of 4.45 m/s, what force must the man apply to his partner in the straight-down position?
A cart has a mass of 851.8 g the attached string has a tension of 0.36 N and a displacement of 40.9 cm. what is the kinetic energy of the cart
A 4.0 uF capacitor is initially uncharged and connnected in series with a 4.0 kQ reisitor. How long will it take for the capacitor to reach one fourth of this maximum charge
A spherically spreading EM wave comes from a 1200 W source. What is the rms value of the electric field
Two masses are on a frictionless horizontal surface moving with two perpendicular directions (m1=m and m2=3m). After the collision the m1 mass stops. What is the velocity of mass m2 after the collision, if before the collision of the masses v1=5m/s a..
At the center of a 70 meter diameter circular ice rink, a 82 kilogram skater traveling north at 2.41 m/s collides with and holds on to a 57 kilogram skater who had been heading west at 3.03 m/s. Find how long will it take them to glide to the edge ..
A 3.2-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,045oC is placed on top of a 2.4-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
a peanut is placed 42 cm in front of a two-lens system lens 1 nearest the peanut has a focal length f1 20 cm lens 2
A 0.350 kilogram particle slides around a horizontal track. The track has a smooth vertical outer wall forming a circle with a radius of 1.50 meter. Find the total number of revolutions the particle makes
The magnetic flux passing through a single loop in a transformer changes at a rate of 0.7 Wb/s. The primary coil has 182 loops and the secondary coilhas 995 loops. Find the voltage in each coil.
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
Initially at rest, a small copper sphere with a mass of 3.03·10-6 kg and a charge of 5.05·10-4 C is accelerated through a 6990-V potential difference before entering a magnetic field of magnitude 4.01 T
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